This paper investigates various options for the organization of the railway industry when network operators require the access to multiple national networks to provide international (freight or passenger) transport services. The EU rail system provides a framework for our analysis....

Motivated by recent policy events experienced by the European natural gas industry, this paper develops a simple model for analyzing the interaction between gas release and capacity investment programs as tools to improve the performance of imperfectly competitive markets. We consider a regional...

Based on the modern theory of regulation, the analysis aims to characterize the effective economic regulation of the French railway industry. The methodology consists in econometrically testing various scenarios of regulation and determining which of these best fits the data. Using aggregate...

We study which policy tool and at what level would be chosen by majority voting to reduce negative externalities, such as pollution. We consider three instruments: a rule, that sets an upper limit to the polluting activity, a quota that obliges to proportional reduction, and a tax on the...

We study which policy tool and at what level a majority chooses in order to reduce activities with negative externalities. We consider three instruments: a rule, that sets an upper limit to the activity which produces the negative externality, a quota that forces a proportional reduction of the...

In this paper we describe systemic financial risk as a pollution issue. Free riding leads to excess risk production. This problem may be solved, at least partially, either with financial regulation or taxation. From a normative viewpoint taxation is superior in many respects. However, reality...